This paper addressed two focused questions: Focused question 1 (Q1) “what is the clinical efficacy of transcrestal sinus floor augmentation (TSFA), as compared to lateral sinus floor augmentation (LSFA) in sites with residual bone height (RBH) ≤6 mm, in randomized clinical trials (RCTs) and controlled clinical trials (CCTs)?”; Focused question 2 (Q2) “what is the estimated effectiveness of TSFA for outcomes in Q1, in RCTs, CCTs or cohort studies?”

Materials and Methods

An electronic search (PubMed, EMBASE, The Cochrane Central Register of Controlled Trials) and hand search were conducted from January 1986 until December 2022. All eligible clinical studies expressly reporting TSFA in sites with RBH ≤6 mm were included. The data were extracted, and the risk of bias in individual studies was evaluated. Meta-analysis was performed whenever possible.

Results

Seven RCTs were included for Q1 and 25 studies (9 RCTs, 2 CCTs, 14 single arm cohort studies) for Q2. Q1: Meta-analysis did not show significant difference in the implant survival, sinus membrane perforation and marginal bone loss between TSFA and LSFA groups. Q2: Meta-analysis showed TSFA had a high implant survival rate (96.5%, 95% CI: 93.2%–98.9%) at least 1 year after surgery, and limited sinus membrane perforation (5.4%, 95% CI: 2.7%–8.8%). The results also presented higher patient satisfaction for TSFA.

Conclusion

With the limitations of the present study (high risk of bias in individual studies), it can be concluded that there was no significant difference in implant survival, Schneiderian membrane perforation and MBL between two approaches in sites with RBH ≤6 mm.

CONFLICT OF INTEREST STATEMENT

The authors report no conflicts of interest related to this study.

Open Research

DATA AVAILABILITY STATEMENT

The data supporting the results of this paper are available from the corresponding author by e-mail upon reasonable request.

Supporting Information

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clr14155-sup-0001-AppendixS1.docxWord 2007 document , 25.9 KB	Appendix S1.
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clr14155-sup-0011-TableS1.docxWord 2007 document , 18 KB	Table S1.
clr14155-sup-0012-TableS2.docxWord 2007 document , 16.4 KB	Table S2.

Clinical efficacy of transcrestal sinus floor augmentation, in comparison with lateral approach, in sites with residual bone height ≤6 mm: A systematic review and meta-analysis

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Materials and Methods

Results

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Clinical efficacy of transcrestal sinus floor augmentation, in comparison with lateral approach, in sites with residual bone height ≤6 mm: A systematic review and meta-analysis

Abstract

Objective

Materials and Methods

Results

Conclusion

CONFLICT OF INTEREST STATEMENT

Open Research

DATA AVAILABILITY STATEMENT

Supporting Information

REFERENCES

Citing Literature

References

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